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I2C basics with Arduino

Avatar for mulderp mulderp
June 16, 2015
Programming
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I2C basics with Arduino

An overview about using I2C

Avatar for mulderp

mulderp

June 16, 2015
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Transcript

  1. I2C basics Munich Arduino Meetup June 2015

  2. Communication between Master and Slave http://www.robot-electronics.co.uk/acatalog/ I2C_Tutorial.html Master

  3. Temperature http://hackaday.com/2009/01/02/parts- i2c-digital-thermometer-tc74/

  4. Example: EEPROM + clock + display http://embedded-lab.com/blog/?p=2583

  5. AVR + EEPROM http://www.embedds.com/programming-avr-i2c-interface/

  6. I2C with bus pirate http://hackaday.com/2014/12/27/learning-i2c-with-the-bus-pirate/

  7. The I2C Learning Shield http://i2c-learning-shield.divshot.io/ U3: Atmel: AT30TS750A (temperature sensor)

    U8: Microchip: MCP7940N (RTC) U7: Microchip: MCP3008 (ADC) U6: Adesto Tech: AT25SF081 (Flash) https://github.com/rheingoldheavy/I2C-Display-Thermometer https://github.com/rheingoldheavy/I2C-Display-Clock

  8. Some more devices http://www.ladyada.net/library/i2caddr.html

  9. For learning: Bit banging http://hackaday.com/2013/08/11/bitbanging-i2c-by-hand/

  10. Basic Signals 1. SCL: For timing and synchronization 2. SDA:

    For address and data https://rheingoldheavy.com/i2c-signals/

  11. https://rheingoldheavy.com/changing-the-i2c-library/

  12. hacking time